<?php

/**
 * This is the model class for table "chuongtrinh".
 *
 * The followings are the available columns in table 'chuongtrinh':
 * @property integer $stt
 * @property integer $hocki
 * @property string $mamh
 * @property string $madonvi
 * @property string $madonviday
 * @property string $nganh
 * @property string $he
 * @property string $ghichu
 */
class Chuongtrinh extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	 public $donvi_madonviday_search;
	 
	public function tableName()
	{
		return 'chuongtrinh';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('stt, hocki, mamh, madonvi, madonviday, nganh, he', 'required'),
			array('stt, hocki', 'numerical', 'integerOnly'=>true),
			array('mamh, madonvi, madonviday, nganh, he', 'length', 'max'=>128),
			array('ghichu', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('stt, hocki, mamh, madonvi, madonviday, nganh, he, ghichu, donvicongtac.tendonvi, donvi_madonviday_search', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'donvicongtac'=>array( self::BELONGS_TO, 'Donvicongtac', 'madonviday' ),	//biến cuối cùng là khóa ngoại.
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'stt' => 'Số thứ tự',
			'hocki' => 'Học kì',
			'mamh' => 'Học phần',
			'madonvi' => 'Khoa phụ trách',
			'madonviday' => 'Khoa dạy',
			'nganh' => 'Ngành',
			'he' => 'Hệ',
			'ghichu' => 'Ghi chú',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;
		$criteria->with=array('donvicongtac');

		$criteria->compare('stt',$this->stt);
		$criteria->compare('hocki',$this->hocki);
		$criteria->compare('mamh',$this->mamh,true);
		$criteria->compare('madonvi',$this->madonvi,true);
		$criteria->compare('madonviday',$this->madonviday,true);
		if($this->donvi_madonviday_search) $criteria->compare('donvicongtac.tendonvi',$this->donvi_madonviday_search);
		$criteria->compare('nganh',$this->nganh,true);
		$criteria->compare('he',$this->he,true);
		$criteria->compare('ghichu',$this->ghichu,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Chuongtrinh the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
}
